Optical recording medium
    66.
    发明授权
    Optical recording medium 失效
    光记录介质

    公开(公告)号:US08067080B2

    公开(公告)日:2011-11-29

    申请号:US12282821

    申请日:2007-03-14

    IPC分类号: G11B7/24

    摘要: Provided is an optical recording medium including, in sequence: a first substrate; a first information recording layer; an intermediate layer; a second information recording layer; and a second substrate having wobble convex portions on its surface, wherein information is recorded on or reproduced from the first information recording layer and second information recording layer by irradiation with a laser beam from a first information recording layer side, wherein the second information recording layer includes, over the second substrate, a light reflective layer, a dye recording layer, and an inorganic protective layer, wherein the inorganic protective layer has a thickness of 3 nm to 40 nm, and wherein the dye recording layer includes a cyanine compound expressed by General Formula (I) and a squarylium compound expressed by General Formula (II):

    摘要翻译: 提供了一种光学记录介质,其依次包括:第一基板; 第一信息记录层; 中间层 第二信息记录层; 以及在其表面上具有摆动凸部的第二基板,其中通过用来自第一信息记录层侧的激光束的照射将信息记录在第一信息记录层和第二信息记录层上或从第一信息记录层再现,其中第二信息记录层 在第二基板上包括光反射层,染料记录层和无机保护层,其中无机保护层的厚度为3nm至40nm,并且其中染料记录层包括由 通式(I)和通式(II)表示的方酸化合物: